|
Exchange Rates (Detail) (CNY)
|
6 Months Ended | |
|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2011
|
|
| Period-end RMB:US$1 exchange rate | 6.3197 | 6.4640 |
| Average period RMB:US$1 exchange rate | 6.3255 | 6.5482 |